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bd0e9fbbcc
`mountpoint` does not detect some directory. By checking directly from `/proc/self/mounts` groot can be more reliable and portable.
248 lines
10 KiB
Bash
Executable file
248 lines
10 KiB
Bash
Executable file
#!/bin/bash
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source "$(dirname $0)/../utils/utils.sh"
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JUNEST_BASE="$(readlink -f $(dirname $(readlink -f "$0"))/../..)"
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# Disable the exiterr
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set +e
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function oneTimeSetUp(){
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setUpUnitTests
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}
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function setUp(){
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# Attempt to source the files under test to revert variable overrides
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source $JUNEST_BASE/bin/groot -h &> /dev/null
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set +e
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cwdSetUp
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mkdir -p chrootdir
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init_mocks
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}
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function tearDown(){
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cwdTearDown
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}
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## Mock functions ##
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function init_mocks() {
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function usage(){
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echo "usage"
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}
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function is_user_root() {
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return 0
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}
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function chroot() {
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echo "chroot($@)"
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}
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function mountpoint() {
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echo "mountpoint($@)"
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# As default suppose the mountpoint does not exist
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return 1
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}
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function mountpoint_mock() {
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echo "mountpoint($@)"
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}
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function mount() {
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echo "mount($@)"
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}
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function umount() {
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echo "umount($@)"
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}
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function check_and_trap() {
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echo "check_and_trap($@)"
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}
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# As default suppose the mountpoint "chrootdir" does not exist
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echo -e "1 /home/mychroot/dev\n" > ./mounts
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MOUNTS_FILE=./mounts
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}
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function test_help(){
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assertCommandSuccess main -h
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assertEquals "usage" "$(cat $STDOUTF)"
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assertCommandSuccess main --help
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assertEquals "usage" "$(cat $STDOUTF)"
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}
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function test_version(){
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assertCommandSuccess main -V
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assertEquals "$NAME $(cat $JUNEST_BASE/VERSION)" "$(cat $STDOUTF)"
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assertCommandSuccess main --version
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assertEquals "$NAME $(cat $JUNEST_BASE/VERSION)" "$(cat $STDOUTF)"
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}
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function test_groot_no_root(){
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is_user_root() {
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return 1
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}
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assertCommandFailOnStatus $NO_ROOT_PRIVILEGES main
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}
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function test_groot_no_directory(){
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assertCommandFailOnStatus $NOT_EXISTING_FILE main no-directory
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}
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function test_groot_mountpoint_exist(){
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echo -e "1 /home/mychroot/dev\n1 chrootdir\n" > ./mounts
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MOUNTS_FILE=./mounts
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assertCommandSuccess main chrootdir
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_mountpoint_does_not_exist(){
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assertCommandSuccess main chrootdir
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind(){
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assertCommandSuccess main -b /tmp chrootdir
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[[ -d chrootdir/tmp ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--bind /tmp chrootdir/tmp)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_file(){
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touch file_src
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assertCommandSuccess main -b ${PWD}/file_src:/file_src chrootdir
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[[ -f chrootdir/file_src ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--bind ${PWD}/file_src chrootdir/file_src)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_not_existing_node(){
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assertCommandFailOnStatus $NOT_EXISTING_FILE main -b ${PWD}/file_src:/file_src chrootdir
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_not_absolute_path_node(){
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touch file_src
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assertCommandFailOnStatus $NOT_ABSOLUTE_PATH main -b file_src:/file_src chrootdir
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_guest_host(){
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assertCommandSuccess main -b /tmp:/home/tmp chrootdir
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[[ -d chrootdir/home/tmp ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--bind /tmp chrootdir/home/tmp)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_multiple_bind(){
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assertCommandSuccess main -b /tmp:/home/tmp -b /dev chrootdir
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[[ -d chrootdir/home/tmp ]]
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assertEquals 0 $?
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[[ -d chrootdir/dev ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--bind /tmp chrootdir/home/tmp)\nmount(--bind /dev chrootdir/dev)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_command(){
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assertCommandSuccess main chrootdir ls -la -h
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nchroot(chrootdir ls -la -h)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_and_command(){
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assertCommandSuccess main -b /tmp:/home/tmp -b /dev chrootdir ls -la -h
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[[ -d chrootdir/home/tmp ]]
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assertEquals 0 $?
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[[ -d chrootdir/dev ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--bind /tmp chrootdir/home/tmp)\nmount(--bind /dev chrootdir/dev)\nchroot(chrootdir ls -la -h)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_bind_no_umount(){
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assertCommandSuccess main -n chrootdir
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assertEquals "$(echo -e "mount(--bind chrootdir chrootdir)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_chroot_teardown(){
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echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
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MOUNTS_FILE=./mounts
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CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
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assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
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umount(/home/mychroot/proc)
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umount(/home/mychroot/dev/shm)
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umount(/home/mychroot/dev)
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umount(/home/mychroot)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_chroot_teardown_umount_failure(){
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function umount() {
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echo "umount($@)"
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[[ "$1" == "/home/mychroot/dev/shm" ]] && return 128
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return 0
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}
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UMOUNT=umount
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echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
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MOUNTS_FILE=./mounts
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CHROOTDIR=/home/mychroot assertCommandFailOnStatus 128 chroot_teardown
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assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
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umount(/home/mychroot/proc)
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umount(/home/mychroot/dev/shm)
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umount(/home/mychroot/dev)
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umount(/home/mychroot)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_chroot_teardown_with_trailing_slash(){
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echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
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MOUNTS_FILE=./mounts
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CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
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assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
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umount(/home/mychroot/proc)
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umount(/home/mychroot/dev/shm)
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umount(/home/mychroot/dev)
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umount(/home/mychroot)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_chroot_teardown_mountpoint_failure(){
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is_mountpoint() {
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[[ $1 == "/home/mychroot/dev/shm" ]] && return 128
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return 0
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}
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echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
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MOUNTS_FILE=./mounts
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CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
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assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
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umount(/home/mychroot/proc)
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umount(/home/mychroot/dev)
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umount(/home/mychroot)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_rbind(){
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assertCommandSuccess main -r -b /tmp chrootdir
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[[ -d chrootdir/tmp ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(--rbind /tmp chrootdir/tmp)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_proc(){
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assertCommandSuccess main -i -b /proc chrootdir
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[[ -d chrootdir/proc ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(proc chrootdir/proc -t proc)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_dev(){
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assertCommandSuccess main -i -b /dev chrootdir
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[[ -d chrootdir/dev ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(udev chrootdir/dev -t devtmpfs)\nmount(devpts /dev/pts -t devpts)\nmount(shm /dev/shm -t tmpfs)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_sys(){
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assertCommandSuccess main -i -b /sys chrootdir
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[[ -d chrootdir/sys ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(sys chrootdir/sys -t sysfs)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_run(){
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assertCommandSuccess main -i -b /run chrootdir
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[[ -d chrootdir/run ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(run chrootdir/run -t tmpfs)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_tmp(){
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assertCommandSuccess main -i -b /tmp chrootdir
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[[ -d chrootdir/tmp ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(tmp chrootdir/tmp -t tmpfs)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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function test_groot_with_avoid_bind_combined(){
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assertCommandSuccess main -i -b /tmp -b /usr chrootdir
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cat $STDERRF
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[[ -d chrootdir/tmp ]]
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assertEquals 0 $?
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[[ -d chrootdir/usr ]]
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assertEquals 0 $?
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assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmount(--bind chrootdir chrootdir)\nmount(tmp chrootdir/tmp -t tmpfs)\nmount(--bind /usr chrootdir/usr)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
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}
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source $(dirname $0)/../utils/shunit2
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